#21A7BA

#21A7BA

Color Values

HEX

#21A7BA

RGB

33, 167, 186

HSL

187.5, 69.9%, 42.9%

HSV

187.5, 82.3%, 72.9%

CMYK

82.3%, 10.2%, 0.0%, 27.1%

OKLCH

0.6698 0.1095 209.8

Properties

Cool Light Nearest: Teal Blue

Color Harmonies

Complementary

#21A7BA

#BA3421

Analogous

#21BA81

#215ABA

#21A7BA

Triadic

#21A7BA

#BA21A7

#A7BA21

Split Complementary

#21A7BA

#BA215A

#BA8121

Tetradic

#21A7BA

#8121BA

#BA3421

#5ABA21

Color Blindness Simulation

Original

#21A7BA

Protanopia

#5B5CB5

Deuteranopia

#5349B4

Tritanopia

#28B2B1

Achromatopsia

#8C8C8C

CSS Usage

background-color: #21A7BA;
color: #21A7BA;
border-color: #21A7BA;
Nearest Tailwind: Cyan 500 #06B6D4

Tailwind Shades

50
#F3FBFC
100
#E3F5F8
200
#C2EEF4
300
#97E2ED
400
#5FD2E3
500
#26C2D9
600
#1F9BAD
700
#197C8B
800
#13616C
900
#12474F
950
#0B2D32

Contrast Checker

Text on white

2.88:1

AA Fail AAA Fail

Text on black

7.3:1

AA Pass AAA Pass

Related Articles

Tutorials

CSS color-mix(): Blend Colors Natively in the Browser

Jan 26, 2026
Tutorials

Building a Color Picker Web Component from Scratch

Jan 21, 2026
Tutorials

Perceptual Color Spaces: Lab, LCH, Oklab, OKLCH

Jan 15, 2026